Home / 338,904.69-507,679.26-203,894.30

Finding the Fourth Proportional to 338,904.69, 507,679.26 and 203,894.30

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Solution

The fourth proportional to 338,904.69, 507,679.26 and 203,894.30 is: 305,433.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,904.69 : 507,679.26 = 203,894.30 : x
  2. Step 2: Convert to fraction form
    338,904.69/507,679.26 = 203,894.30/x
  3. Step 3: Cross multiply
    338,904.69x = 507,679.26 × 203,894.30
  4. Step 4: Simplify right side
    338,904.69x = 103,512,904,803.82
  5. Step 5: Solve for x
    x = 103,512,904,803.82/338,904.69
  6. Step 6: Final answer
    x = 305,433.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.